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Finding the Fourth Proportional to 6,724.83, 9,282.84 and 4,485.87

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Solution

The fourth proportional to 6,724.83, 9,282.84 and 4,485.87 is: 6,192.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,724.83 : 9,282.84 = 4,485.87 : x
  2. Step 2: Convert to fraction form
    6,724.83/9,282.84 = 4,485.87/x
  3. Step 3: Cross multiply
    6,724.83x = 9,282.84 × 4,485.87
  4. Step 4: Simplify right side
    6,724.83x = 41,641,613.47
  5. Step 5: Solve for x
    x = 41,641,613.47/6,724.83
  6. Step 6: Final answer
    x = 6,192.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.